US7943078B2 - RTM molding method and device - Google Patents

RTM molding method and device Download PDF

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Publication number
US7943078B2
US7943078B2 US10/589,589 US58958905A US7943078B2 US 7943078 B2 US7943078 B2 US 7943078B2 US 58958905 A US58958905 A US 58958905A US 7943078 B2 US7943078 B2 US 7943078B2
Authority
US
United States
Prior art keywords
resin
mold
intermediate member
reinforcing fiber
fiber substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US10/589,589
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English (en)
Other versions
US20070182071A1 (en
Inventor
Toshihide Sekido
Shigeo Iwasawa
Tatsuya Senba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2004039882A external-priority patent/JP4378687B2/ja
Priority claimed from JP2004063777A external-priority patent/JP4442256B2/ja
Priority claimed from JP2004281611A external-priority patent/JP2006095727A/ja
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Publication of US20070182071A1 publication Critical patent/US20070182071A1/en
Assigned to TORAY INDUSTRIES, INC. reassignment TORAY INDUSTRIES, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IWASAWA, SHIGEO, SEKIDO, TOSHIHIDE, SENBA, TATSUYA
Priority to US13/078,455 priority Critical patent/US20110192531A1/en
Application granted granted Critical
Publication of US7943078B2 publication Critical patent/US7943078B2/en
Expired - Fee Related legal-status Critical Current
Adjusted expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/546—Measures for feeding or distributing the matrix material in the reinforcing structure
    • B29C70/548—Measures for feeding or distributing the matrix material in the reinforcing structure using distribution constructions, e.g. channels incorporated in or associated with the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0061—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel
    • B29C33/0066—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel with a subdivided channel for feeding the material to a plurality of locations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/24—Feeding the material into the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/42—Casting under special conditions, e.g. vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/081—Combinations of fibres of continuous or substantial length and short fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means

Definitions

  • This disclosure relates to RTM (Resin transfer Molding) molding method and device for molding a relatively large FRP (Fiber Reinforced Plastic), and more specifically, to RTM molding method and device capable of achieving a high-speed molding and improving a surface quality.
  • RTM Resin transfer Molding
  • an epoxy resin can be raised, from the viewpoint of suppressing a thermal shrinkage at the time of molding which influences a design quality of an outer panel for vehicles.
  • FIG. 20 is a perspective view of upper and lower dies 111 , 112
  • FIG. 21 is an enlarged sectional view of the lower die
  • FIG. 22 shows tube for resin injection•discharge 30 attached between the upper and lower dies, respectively.
  • a reinforcing fiber substrate 122 given with a product shape beforehand is placed in a molding cavity 113 of a lower die 112 in which an O-ring 121 is disposed at the outer circumference of the cavity 113 formed on the upper surface of the lower die 112 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
US10/589,589 2004-02-17 2005-02-16 RTM molding method and device Expired - Fee Related US7943078B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/078,455 US20110192531A1 (en) 2004-02-17 2011-04-01 Rtm molding method and device

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2004-39882 2004-02-17
JP2004-039882 2004-02-17
JP2004039882A JP4378687B2 (ja) 2004-02-17 2004-02-17 繊維強化樹脂およびその製造方法
JP2004-63777 2004-03-08
JP2004-063777 2004-03-08
JP2004063777A JP4442256B2 (ja) 2004-03-08 2004-03-08 Ｒｔｍ成形方法
JP2004-281611 2004-09-28
JP2004281611A JP2006095727A (ja) 2004-09-28 2004-09-28 Ｒｔｍ成形装置および方法
PCT/JP2005/002314 WO2005077632A1 (fr) 2004-02-17 2005-02-16 Procédé et dispositif de moulage rtm

Publications (2)

Publication Number Publication Date
US20070182071A1 US20070182071A1 (en) 2007-08-09
US7943078B2 true US7943078B2 (en) 2011-05-17

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
US10/589,589 Expired - Fee Related US7943078B2 (en) 2004-02-17 2005-02-16 RTM molding method and device
US13/078,455 Abandoned US20110192531A1 (en) 2004-02-17 2011-04-01 Rtm molding method and device

Family Applications After (1)

Application Number Title Priority Date Filing Date
US13/078,455 Abandoned US20110192531A1 (en) 2004-02-17 2011-04-01 Rtm molding method and device

Country Status (5)

Country Link
US (2) US7943078B2 (fr)
EP (3) EP2565019A1 (fr)
KR (1) KR101151966B1 (fr)
AU (1) AU2005213807A1 (fr)
WO (1) WO2005077632A1 (fr)

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US20100316755A1 (en) * 2009-06-10 2010-12-16 Hon Hai Precision Industry Co., Ltd. Mold assembly for making light guide plate
US20130207306A1 (en) * 2012-02-14 2013-08-15 Taiwan Semiconductor Manufacturing Company, Ltd. Methods for Molding Integrated Circuits
US8992207B2 (en) 2009-05-15 2015-03-31 The Boeing Company Cure tool with integrated edge breather and method of making the same
US20150174835A1 (en) * 2012-07-05 2015-06-25 Lm Wp Patent Holding A/S Method and moulding system for manufacturing a fibre-reinforced polymer object via a feedback system for controlling resin flow rate
US9802349B2 (en) 2012-03-02 2017-10-31 Taiwan Semiconductor Manufacturing Company, Ltd. Wafer level transfer molding and apparatus for performing the same
US9893044B2 (en) 2012-03-02 2018-02-13 Taiwan Semiconductor Manufacturing Company, Ltd. Wafer-level underfill and over-molding
US9950479B2 (en) * 2011-02-25 2018-04-24 Toray Industries, Inc. Method for producing FRP
US20180373660A1 (en) * 2013-05-15 2018-12-27 Tactotek Oy Enabling arrangement for an electronic device with housing-integrated functionalities and method therefor
US11370195B2 (en) 2017-04-28 2022-06-28 Kuraray Co., Ltd. Multilayer composite and method for producing same

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EP2565019A1 (fr) 2013-03-06
EP1721719B1 (fr) 2014-10-01
KR20060134105A (ko) 2006-12-27
AU2005213807A1 (en) 2005-08-25
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US20110192531A1 (en) 2011-08-11
EP1721719A4 (fr) 2010-04-21

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